| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.50 | 6.53 | -0.03 |
| Feb | 4.73 | 4.67 | 0.06 |
| Mar | 4.39 | 4.36 | 0.03 |
| Apr | 4.79 | 4.84 | -0.05 |
| May | 4.67 | 4.88 | -0.21 |
| Jun | 5.58 | 5.49 | 0.09 |
| Jul | 5.25 | 5.03 | 0.22 |
| Aug | 4.75 | 4.80 | -0.05 |
| Sep | 4.55 | 4.83 | -0.28 |
| Oct | 4.58 | 4.73 | -0.15 |
| Nov | 4.80 | 4.81 | -0.01 |
| Dec | 5.18 | 5.24 | -0.06 |
59.77 | 60.21 | -0.44 |